Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: ELPSTXYSDS0

Remotes:

Switch Switch name Switch type
CLNTTXMARS0  Clint  5ER 
CNTLTXMARS0  Canutillo  5ER 
ELPSTXHARS1  EL PASO  5ER 
ELPSTXHCRS1  Horizon  5ER 
VNTNTXMARS0  Vinton  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
915-434 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-435 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-787 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-787 1 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-787 2 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-787 3 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-787 4 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-787 5 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-787 7 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-790 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-790 0 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-790 1 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-790 2 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-790 4 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-790 5 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-791 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-791 1 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-791 3 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-791 4 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-791 5 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-791 6 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-791 7 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-791 8 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-791 9 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-841 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-841 2 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-841 3 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-858 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-859 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-860 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-872 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-926 A El Paso TX 9533 SOUTHWESTERN BELL 540      
915-926 1 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-926 2 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-926 3 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-926 4 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-926 5 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-926 7 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-926 8 El Paso TX 9533 SOUTHWESTERN BELL 540      
915-937 A El Paso TX 9533 SOUTHWESTERN BELL 540      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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